keycloak.tf: Add missing signature_algorithm

`terraform plan` tried to remove it.

keycloak.tf: Add missing signature_algorithm
4bb27da4 · Jan Alexander Steffens (heftig) · f164d000 · 4bb27da4
Verified Commit 4bb27da4 authored 4 years ago by Jan Alexander Steffens (heftig)
--- a/tf-stage2/keycloak.tf
+++ b/tf-stage2/keycloak.tf
@@ -138,6 +138,7 @@ resource "keycloak_saml_client" "saml_gitlab" {
  name = "Arch Linux Accounts"
  enabled = true

+  signature_algorithm = "RSA_SHA256"
  sign_documents = true
  sign_assertions = true